JPH09233204A - Intercom communication testing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an intercom communication testing system capable of easily performing the communication test of an intercom by eliminating the need of moving between a basket where a slave set is installed and a management room where a master set is installed even in the case of performing it by one inspection personnel. SOLUTION: In this intercom communication testing system for confirming the presence/absence of communication defects between the master set 23 and the slave set 22 of the intercom, on the side of the master set 23 and the slave set 22, transmitters 223 and 233 for outputting high frequency signals higher than a voice frequency band through microphones 222 and 232 and receivers 224 and 234 for receiving the high frequency signals through speakers 221 sand 231 are respectively provided. Also, between the master set 23 and the slave set 22, a communication testing testing device 21 for turning the voice frequency band to a masked state and performing the communication test using the high frequency signals is provided and an output means 225 for outputting the presence/absence of the communication defects between the master set 23 and the slave set 22 based on the test result of the communication testing device 21 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique of an interphone call test system for testing a call state of an intercom.

[0002]

2. Description of the Related Art FIG. 11 shows a conventional intercom tester for elevators installed in an elevator car operation panel disclosed in Japanese Utility Model Laid-Open No. 61-80771. In FIG. 11, 1 is the main body of the test apparatus, 2 is a spindle for pushing the call button, 3 is a switch for operating the test apparatus 1, and 4 is a predetermined time from the operation of the switch 3 until the spindle 2 is pushed out. A dial to be arbitrarily set, 5 is a buzzer device body, 6 is a switch for ringing the buzzer of the buzzer device 5, 7 is a metal fitting for attaching the test device 1 to the operation panel cover 9, 8 is a call button, and 9 is an operation panel cover. Reference numeral 10 is an intercom in the car (hereinafter, referred to as a child device). Then, in the test apparatus 1, the spindle 2 is pushed out after a predetermined time by operating the switch 3.

FIG. 12 is a diagram showing a construction in which the elevator intercom test apparatus is attached to an operation panel cover 9 in a car. In FIG. 12, 11 is a control room intercom (hereinafter, referred to as a master unit), 12 is a receiver of the master unit 11, 13 is a buzzer device attached to the receiver 12, 15 is a switch for ringing the buzzer of the buzzer device 13, and an intercom cable 16 Is.

The operation of the conventional elevator intercom test apparatus configured as described above will be described. First, a case of testing a call from the handset 10 to the base 11 will be described. As shown in FIG. 12, one mounting screw of the driver panel cover 9 is removed, the mounting bracket 7 is sandwiched between the driver panel cover 9 and the mounting screw, and the mounting screw is fastened to the driver panel cover 9 again, and mounted. By setting the tip of the spindle 2 on the call button 8, the test apparatus 1 is attached to the slave 10.

After mounting the test apparatus 1 on the slave unit 10, the inspector operates the switches 3 and 6 to move. By operating the switch 6, the buzzer device 5 sounds,
The spindle 2 is pushed out after a predetermined time by operating the switch 3, and the call button 8 is pushed.

As a result, the ringing tone of the base unit 11 sounds. The sound generated from the buzzer device 5 in the car is collected by the microphone of the handset device 10 and is output from the speaker of the handset 12 of the base device 11 via the intercom cable 16, so that the inspector makes a ringing sound of the base device 11. After confirming, the telephone receiver 12 can be picked up and the call tone and ring tone from the handset 10 to the base 11 can be confirmed.

Next, a case of testing a call from the base unit 11 to the handset 10 will be described. With the handset 12 of the base unit 11 kept removed, the buzzer device 13 is attached to the handset 12 with, for example, a string for attachment, and the switch 15 is operated to ring the buzzer device 13.

Then, the inspector returns to the car and shuts off the switch 6. The sound generated from the buzzer device 13 is collected by the microphone of the handset 12 and is reproduced and output from the speaker of the handset 10 via the intercom cable 16.
After confirming the ringing tone of No. 1, the call tone and the ringing tone from the master unit 11 to the slave unit 10 can be confirmed.

[0009]

The conventional intercom device testing apparatus for elevators has to be moved between a car in which the child device 10 is installed and a control room in which the parent device 11 is installed. In particular, in order to check the call state of the master unit 11 in the management room from the child device 10 of the car, the user must return to the car from the management room with the handset 12 of the master unit 11 removed, and after checking the call state, Including the work of returning the handset 12 of the machine 11 requires two round trips.

The present invention has been made in order to solve the above problems, and even if one person inspects the call test of the intercom, even if one of the slaves is installed and the master is installed. The purpose of the present invention is to obtain an intercom call test system that can be easily performed without the need to move to and from the control room.

[0011]

An interphone call test system according to the present invention is an interphone call test system for confirming whether there is a call failure between a base unit and a handset of an intercom. In addition, a transmitter that outputs a high-frequency signal higher than the voice frequency band through a microphone and a receiver that receives the high-frequency signal through a speaker are provided respectively, and the voice frequency band is set between the master unit and the slave unit. Provided with a call test device that performs a call test using a high frequency signal in a masked state, and provided with an output means for outputting whether there is a communication failure between the master unit and the slave unit based on the test result of the call test device. It is a thing.

Further, a timer starting means for outputting a start signal at a preset time is provided, and the call test device starts the call test based on the start signal.

The timer starting means outputs a starting signal at regular time intervals.

Further, the timer starting means is provided in the call test device.

Further, a monitoring device which is connected to the call testing device via a communication line is provided at a position different from the position where the call testing device is provided, and the monitoring device is based on the output of the call testing device. It is designed to output whether or not there is a poor call with the machine.

The timer starting means is provided in the monitoring device.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1. 1 is a block diagram of an elevator to which an interphone call test system according to Embodiment 1 of the present invention is applied. In FIG. 1, 20 is an elevator car,
21 is a call test device provided in the machine room, 22
The intercom slave unit provided in the basket 20 and the intercom master unit 23 corresponding to the slave unit 22 provided in the management room (not shown) are between the call test device 21 and the slave device 22 and the call test device. 21 and the base unit 23 are both connected by a signal line 24. And the call test device 2
The intercom call test system is composed of the device 1, the child device 22, and the parent device 23.

FIG. 2 is a block diagram of an interphone call test system according to the first embodiment of the present invention. In FIG.
As a new configuration with respect to FIG. 1, 221 is a speaker on the slave side of the slave 22 and 222 is a microphone on the slave side of the slave 22.
Reference numeral 23 is a slave side transmitter that generates a high frequency signal to the master unit 23, 224 is a slave unit side receiver that receives the high frequency signal emitted from the master unit 23, and 225 is a slave unit 22 and the master unit 23. A handset confirmation lamp 226 that indicates that a telephone call is normally performed is a handset activation button that is provided in the handset 22 and that activates the interphone call test device.

Here, the slave unit side speaker 221, the master unit side speaker 231, the slave unit side microphone 222 and the master unit side microphone 232 have their voice frequencies when the voice frequency band to be described later is masked in the call test. It has a frequency characteristic that it can pick up a high frequency signal higher than the band.

Reference numeral 231 is a master unit side speaker of the master unit 23, 232 is a master unit side microphone of the master unit 23, and 233 is a slave unit 2.
A master side transmitter that generates a high-frequency signal for 2 234
Is a receiver on the master side for receiving the high-frequency signal emitted from the slave 22, and 237 is a receiver hook switch of the master 23.

The operation of the intercom call test system thus configured will be described with reference to FIG. When the inspector operates the cordless handset-side activation button 226 from inside the car 20, the call test device 21 detects that the cordless handset-side activation button 226 has been pressed (ON) (step S1) and the cordless handset side. Since the detection of the release of the hand from the activation button 226 (OFF) (step S2) is sequentially performed, the interphone call test system is activated and enters the operating state.

When the system enters the operating state, the call test device 21 uses the signal line 2 to prevent human voice from being output to the slave unit side speaker 221 and the master unit side speaker 231.
Out of 4 call test device 21 to slave unit side speaker 22
1 and the output signal line extending to the master unit side speaker 231 are masked with the output of the frequency band of the voice, for example, through a bandpass filter or the like (step S3). Then, the call test device 21 uses the handset hook switch 23.
The base unit 23, in which 7 is in the on-hook state, is brought into the off-hook state (communication enabled state) similar to the state in which the receiver is taken off (step S4).

Next, the call test device 21 causes the handset side transmitter 223 to emit a high frequency signal (step S5).
This high frequency signal has a frequency higher than that of a human voice signal, and is a signal that can pass even if the signal line 24 is in the masked state described above. This also applies to a high-frequency signal transmitted from the slave side transmitter 223 described later. And this high frequency signal
1 is collected and output from the slave 22 via the signal line 24 and the call test device 21 to the master side speaker 232 of the master 23.

Then, the master receiver 234 detects this high frequency signal (confirms the incoming call) (step S6). If the parent receiver 234 detects a high frequency signal (step S6)
YES), the call test device 21 is the slave side transmitter 223.
To stop the transmission of high-frequency signals (step S
7).

Next, the call test device 21 causes the master unit side transmitter 223 to emit a high frequency signal (step S8).
The high-frequency signal is collected by the master unit side microphone 231, sent from the master unit 23 to the slave unit 22 via the signal line 24 and the call test device 21, and output to the slave unit side speaker 222.

Then, the slave receiver 224 detects this high frequency signal (step S9). Receiver side receiver 224
Detects a high frequency signal (YES in step S9),
The call test device 21 stops the transmission of the high frequency signal by the slave side transmitter 223 (step S10).

As a result, no call failure was confirmed in the call test from the handset 22 to the base unit 23 and the call test from the base unit 23 to the handset 22. 225 is turned on (step S11). As a result, the inspector in the car 20 can confirm that there is no communication failure in the two-way intercom communication.

On the other hand, if there is a poor call from the handset 22 to the base unit 23 (NO in step S6) or if there is a poor call from the base unit 23 to the handset 22 (N in step S9).
O) notifies the inspector in the car 20 of the poor call, so that the call test device 21 blinks the handset confirmation lamp 225 when there is a bad call during the call test (step S17).

The call test device 21 is a handset confirmation lamp 2
After turning on or blinking 25, a predetermined time has elapsed (step S
12) and turn off the slave unit confirmation lamp 225 (step S13). Then, the call test device 21 returns the main unit 23 to the on-hook state before step S4 to return the call line to the non-communication state (step S14).

Next, the call test device 21 uses the slave unit side speaker 221 and the master unit side speaker 23 of the signal line 24.
The masked state of the frequency band of the voice performed in step S3 for the output signal line to 1 is released and the state before step S3 is restored (step S15). This completes the call test by the system (step S16).

Therefore, according to the first embodiment, in the interphone call test system for confirming the presence / absence of a call failure between the master unit 23 and the slave unit 22 of the intercom, the master unit 23 and the slave unit 22 are connected to each other. , Oscillators 223, 2 for outputting high-frequency signals higher than the voice frequency band through a microphone
33 and receivers 224 and 234 for receiving high frequency signals via the speakers 221 and 231 respectively, and a high frequency signal was used between the master unit 23 and the slave unit 22 with the audio frequency band masked. A call test device 21 for performing a call test is provided, and a slave unit side confirmation lamp 225 that outputs the presence / absence of communication failure between the master device 23 and the slave device 21 to the slave device 22 based on the test result of the call test device 21. Since it is installed, the inspector does not move to the management room where the base unit 23 is installed, and
A person can easily confirm the two-way call state between the child device 22 and the parent device 23 in a short time.

Embodiment 2 FIG. In the first embodiment, the inspector activated the system from the child device 22 while in the car 20 to perform the call test, but it is possible to activate the system from the parent device 23 while still in the management room. You may

FIG. 4 is a block diagram of an interphone call test system according to the second embodiment of the present invention. In FIG.
As a new configuration to FIG. 2, 235 is a master unit side confirmation lamp which is provided in the master unit 23 and indicates that a call between the master unit 23 and the slave unit 22 is normally performed, and 236 is a master unit 23.
It is a base unit side start button for activating the intercom call test device provided in the.

The operation of the interphone call test system thus constructed will be described with reference to FIG. In this case, the system performs the same operation as that shown in the first embodiment as described below. Now, when the inspector operates the master unit side start button 236 from the management room,
Since the call test device 21 detects that the master-side activation button 236 has been pressed (ON) and released (OFF) (steps S21 and S22), the intercom call test system is activated and in operation. to go into.

When the system enters the operating state, the call test device 21 uses the signal line 2 so that the human voice is not output to the master unit side speaker 231 and the slave unit side speaker 221.
Out of the four, the call test device 21 to the master side speaker 23
As for the output signal line extending to the speaker 1 and the speaker 221 on the child device side, the output in the frequency band of the voice is masked as in the case of the first embodiment (step S23). Then, the call test device 21 changes the master device 23 from the on-hook state to the off-hook state (step S24).

Next, the call test device 21 causes the master side transmitter 233 to emit a high frequency signal (step S2).
5). The high frequency signal is collected by the master unit side microphone 231 and output from the master unit 23 to the slave unit side speaker 222 of the slave unit 22 via the signal line 24 and the call test device 21.
When the slave receiver 224 detects the high frequency signal (YES in step S26), the call test device 21 stops the transmission of the high frequency signal from the master transmitter 233 (step S27).

Next, the call test device 21 transmits a high frequency signal from the base unit side transmitter 233 (step S2).
8). This high frequency signal is collected by the slave unit microphone 221, sent from the slave unit 22 to the master unit 23 via the signal line 24 and the call test device 21, and output to the master unit side speaker 232. If base unit receiver 234 detects the high frequency signal (YES in step S29), call test device 21 causes base unit transmitter 233 to stop transmitting the high frequency signal (step S30).

As a result of this test, since there is no defect in the two-way communication between the master unit 23 and the slave unit 22, the call test device 21 turns on the master unit side confirmation lamp 235 (step S31).

On the other hand, if there is a problem in the call from the master unit 23 to the slave unit 22 or the call from the slave unit 22 to the master unit 23 (NO in step S36 or step S39), the inspector is notified of the poor call. Therefore, the call test device 21 detects the defect during the call test and confirms with the master unit side confirmation lamp 235.
Blinks (step S37).

The call test device 21 is a confirmation lamp 2 on the base unit side.
35 is turned on or blinked and a predetermined time has elapsed (step S
32), and the master unit confirmation lamp 235 is turned off (step S34). Then, the call test device 21 returns the handset 22 to the on-hook state before step S24 to return the call line to the non-communication state (step S34).

Next, the call test device 21 includes, among the signal lines 24, the master unit side speaker 231 and the slave unit side speaker 221.
The masked state of the frequency band of the sound performed in step S23 for the output signal line to the is canceled and the state before step S30 is restored (step S35). This completes the call test (step S36).

Therefore, according to the second embodiment, in the interphone call test system for confirming the presence or absence of a call failure between the master unit 23 and the slave unit 22 of the intercom, the master unit 23 and the slave unit 22 are connected to each other. , Oscillators 223, 2 for outputting high-frequency signals higher than the voice frequency band through a microphone
33 and receivers 224 and 234 for receiving high frequency signals via the speakers 221 and 231 respectively, and a high frequency signal was used between the master unit 23 and the slave unit 22 with the audio frequency band masked. A call test device 21 for performing a call test is provided, and a master unit side confirmation lamp 235 for outputting the presence / absence of communication failure between the master device 23 and the slave device 21 based on the test result of the call test device 21 is provided to the slave device 22. Since it is provided, in addition to the effects of the first embodiment, the inspector does not further move to the car 20, and the two-way call between the master unit 23 and the slave unit 22 can be performed by one person while staying in the management room. It is also possible to easily confirm the state in a short time.

Embodiment 3 For example, in the first or second embodiment, the call test may be periodically performed at a predetermined time interval. The third embodiment will be described as a modification of the second embodiment. In the third embodiment, a start signal transmitter (not shown) is provided in the call test device 21. The start signal transmitter is a start signal (regular check signal) periodically with a predetermined time interval (for example, every 30 days).
Based on the activation signal, the call test device 21 activates the activation button 23 in the second embodiment.
As in the case of the operation of 5, the system is activated and the system is in the operating state.

The operation of the interphone call test system thus configured will be described with reference to FIG. The activation signal transmitter emits an activation signal for activating the system at a predetermined time interval set in advance. Now, when the activation signal transmitter issues the activation signal (step S41), the call test device 21 The intercom call test system is activated and enters the operating state by detecting this activation signal.

When the system enters the operating state, the call test device 21 uses the signal line 2 to prevent the human voice from being output to the master unit side speaker 231 and the slave unit side speaker 221.
Out of the four, the call test device 21 to the master side speaker 23
1 and the output signal line extending to the slave unit side speaker 221 are masked so that the output of the frequency band of the voice is the same as in the case of the first embodiment (step S43). Then, the call test device 21 changes the master device 23 from the on-hook state to the off-hook state (step S44).

Next, the call test device 21 transmits a high frequency signal from the base unit side transmitter 233 (step S4).
5). The high frequency signal is collected by the master unit side microphone 231 and output from the master unit 23 to the slave unit side speaker 222 of the slave unit 22 via the signal line 24 and the call test device 21.
When the slave side receiver 224 detects the high frequency signal (YES in step S46), the call test device 21 stops the transmission of the high frequency signal from the master side transmitter 233 (step S47).

Next, the call test device 21 causes the master side transmitter 233 to emit a high frequency signal (step S4).
8). This high frequency signal is collected by the slave unit microphone 221, sent from the slave unit 22 to the master unit 23 via the signal line 24 and the call test device 21, and output to the master unit side speaker 232. When base unit receiver 234 detects the high frequency signal (YES in step S49), call test device 21 stops the base unit transmitter 233 from transmitting the high frequency signal (step S50).

As a result of this test, since there is no defect in the two-way communication between the base unit 23 and the handset 22, the call test device 21 returns the handset 22 to the on-hook state before step S44 and returns to the call line. To the non-communication state (step S5)
1).

Next, the call test device 21 uses the signal line 24 such that the speaker 231 on the master unit side and the speaker 22 on the slave unit side.
In step S43, the masked state of the frequency band of the voice performed in step S43 for the output signal line to 1 is released.
The previous state is restored (step S52). This completes the call test (step S53).

On the other hand, if there is a poor call from the base unit 23 to the handset 22 (NO in step S46) or if there is a bad call from the handset 22 to the base unit 23 (step S49).
Is NO), the master-side transmitter 233 or the slave-side transmitter 223 is stopped (step S44, step S).
45).

Then, the call test device 21 uses the signal line 24.
Of the master unit side speaker 231 and the slave unit side speaker 2
The masked state of the frequency band of the voice performed in step S43 for the output signal line to the signal No. 21 is released and step S4
The state before 3 is restored (step S56).

Then, the call test device 21 outputs an error announcement indicating that there is a call error from the master unit side speaker 232 of the master unit 23 into the control room (step S57).
After that, the call test device 21 sets the master device 23 to step S2.
The state before 4 is returned to the on-hook state and the communication line is returned to the disconnected state (step S58). This completes the call test (step S53).

As described above, in the third embodiment, unlike the second embodiment, when there is no call failure, the call test device 21
Only returns the master unit 23 and the slave unit 22 to the state before the test, and does not indicate to the inspector whether there is a poor call by lighting or blinking the master unit confirmation lamp 235. Therefore, it is judged that the inspector does not have a bad call unless there is an announcement.

Therefore, according to the third embodiment, the call test device 21 is provided with the timer starting means for outputting the start signal at regular time intervals.
Since the call test is activated based on the activation signal, it is possible to carry out the call test systematically at regular time intervals. It can be confirmed by an alarm announcement output from the machine side speaker 232.

Further, the activation signal transmitter may transmit the activation signal at any preset time instead of the predetermined time interval.

Embodiment 4 For example, the first to third embodiments
In the above, if the alarm announcement output from the master unit side speaker is transmitted not only to the management room but also to the service center of the maintenance management company, the failure can be dealt with quickly. The fourth embodiment will be described as a modification of the third embodiment.

FIG. 7 is a block diagram of an intercom communication test system shown in Embodiment 4 of the present invention. In FIG.
As a new configuration to the configuration shown in FIG.
Reference numeral 3 is an input / output device for inputting / outputting an external signal to / from the call test device 21, and reference numeral 44a is a monitoring device for receiving and outputting the error signal output from the input / output device 43 via the telephone line 42. The monitoring device 44a is provided, for example, at a service center of a remote maintenance company.

The operation of the interphone call test system thus configured will be described with reference to FIG. In FIG. 8, the operation of steps S41 to S53 is the same as the operation of steps S41 to S53 in FIG. 6 in the third embodiment, that is, the operation when the system is operating and no bad call is found. The description is omitted.

On the other hand, if there is a bad call from the base unit 23 to the handset 22 (NO in step S46) or if there is a bad call from the handset 22 to the base unit 23 (step S49).
Is NO), as in the third embodiment, the master unit side transmitter 233 or the slave unit side transmitter 223 is stopped (step S54, step S55).

Then, the call test device 21 performs the frequency band of the voice for the output signal line to the base unit side speaker 231 and the handset unit side speaker 221 among the signal lines 24 in the same manner as in the third embodiment. The masked state of step S43 and returns to the state before step S43 (step S43).
58).

Then, the call test device 21 returns the main unit 23 to the on-hook state before step S44 and returns the call line to the non-communication state (step S58). After that, the input / output device 43 outputs the error message signal (call failure signal) output by the call test device 21 to the monitoring device 44 via the telephone line (step S59). Then, the monitoring device 44a outputs the fact that there is a poor call. This completes the call test (step S53).

As described above, the call test device 21 outputs an error message indicating a bad call to the remote service center. At the same time when the error message signal is output to the remote place, an error announcement indicating that the call is bad may be output from the master unit side speaker 232 similar to that in the third embodiment into the control room.

Therefore, according to the fourth embodiment, the monitoring device 4 connected to the call test device 21 via the telephone line 42 at a position different from the position where the call test device 21 is provided.
4a is provided, and the monitoring device 44a is configured to output the presence / absence of a call failure between the master unit 23 and the slave unit 22 based on the output of the call test device 21. Not only that, but also the administrator at the remote place can know, so that it is possible to take prompt action when a bad call is found.

Embodiment 5. In the fourth embodiment, the system is in the operating state based on the start signal output from the start signal transmitting circuit in the call test device 21 at regular time intervals, and the call test is performed. Output from a remote service center at various time intervals or at any time, and as a result of a call test,
It is convenient to send back to the service center whether there is a fault in the call. The fifth embodiment will be described as a modification of the fourth embodiment.

FIG. 9 is a block diagram of an intercom communication test system shown in Embodiment 4 of the present invention. In FIG.
As a new configuration to the configuration shown in FIG. 7, reference numeral 44b denotes an error signal output from the input / output device 43 to the telephone line 4
2 to receive and output via the call test device 21
Is a monitoring device that outputs a start signal to the input / output device 43 via the telephone line 42. The monitoring device 44b is also provided, for example, at a service center of a remote management company.

The operation of the interphone call test system thus configured will be described with reference to FIG. When the monitoring device 44b issues an activation signal for activating the system at a certain time, this activation signal is transmitted by the telephone line 4
It is input to the input / output device 43 via 2, and is further taken into the call test device 21. When the call test device 21 detects the activation signal from the monitoring device 44b (step S60), the interphone call test system is activated and enters the operating state.

After that, the operations of steps S43 to S52 in FIG. 8 are the same as those of steps S41 to S53 in FIGS. 4 and 6 in the third and fourth embodiments.
Since the operation is the same as the operation when the system enters the operating state and no bad call is found, the description thereof will be omitted.

In step S52, when the call test device 21 cancels the masked state of the audio frequency band for the output signal line to the speaker side speaker 231 and the slave side speaker 221 of the signal line 24, The call test device 21 transmits a test normal signal. The test normal signal is output from the input / output device 42, captured by the monitoring device 44b, and output (step S61). This completes the call test (step S61).

On the other hand, if there is a bad call from the base unit 23 to the handset 22 (NO in step S46) or if there is a bad call from the handset 22 to the base unit 23 (step S49).
NO), and the subsequent operations of steps S56 to S59 are the same as those of steps S56 to S56 in FIG.
The operation of step S59, that is, the release of the masked state of the audio frequency band for the output signal line (step S5
6), the resetting of the master unit 23 to the on-hook state (step S58), and the output of the error message signal to the monitoring device 44b (step S59) are the same, so description thereof will be omitted. Then, the call test ends (step S5).
3).

Therefore, according to the fifth embodiment, the monitoring device 4 connected to the call test device 21 via the telephone line 42 at a position different from the position where the call test device 21 is provided.
4b is provided, and the monitoring device 44b outputs an activation signal to the call test device 21 at regular time intervals or at an arbitrary time, and based on the output of the call test device 21, the master device 2
Since the presence / absence of a call failure between the mobile phone 3 and the cordless handset 22 is output, the call test can be carried out systematically by the operation from the remote management center, and the line failure of the telephone line 42 is possible. Since it is possible for the administrator at the remote location to know whether or not there is a call failure including the above, it is possible to take prompt action when a call failure is found.

[0071]

According to the present invention, in the interphone call test system for confirming the presence or absence of a call failure between the base unit and the handset of the intercom, the base unit and the handset side have high frequencies higher than the voice frequency band. A transmitter that outputs a signal through a microphone and a receiver that receives a high-frequency signal through a speaker are respectively provided, and between the master unit and the slave unit,
An output that provides a call test device that performs a call test using a high-frequency signal with the voice frequency band masked, and outputs whether there is a communication failure between the master unit and the slave unit based on the test result of the call test device. Since the means is provided, the inspector does not have to move between the control room where the master unit is installed and the car where the slave unit is installed. It is possible to easily confirm the two-way call status with the machine in a short time.

Further, the timer starting means for outputting the start signal at the preset time is provided, and the call test device starts the call test based on the start signal. You can carry out a call test.

Since the timer starting means outputs the starting signal at regular time intervals, it is possible to systematically carry out the call test at regular time intervals.

Further, since the timer starting means is provided in the call test device, the call test can be systematically carried out by an operation from a remote place.

Further, a monitoring device which is connected to the call test device via the communication line is provided at a position different from the position where the call test device is provided, and the monitor device determines that the parent device and the child device based on the output of the call test device. Since it is possible to output whether there is a call failure with the machine, it is possible to carry out a call test systematically by operating from a remote location, and whether there is a call failure including communication line failure. Also, it is possible to enable the remote manager to promptly respond when a poor call is found by the remote manager.

Further, since the timer starting means is provided in the monitoring device, the call test can be carried out systematically by the operation from a remote place, and the presence or absence of the call failure including the line failure of the communication line. Also, it is possible for the administrator at the remote location to promptly respond to the administrator at the remote location when a poor call is detected.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an elevator to which an intercom call test system according to a first embodiment is applied.

FIG. 2 is a configuration diagram of an interphone call test system according to the first embodiment.

FIG. 3 is a flowchart showing an operation of the interphone call test system according to the first embodiment.

FIG. 4 is a configuration diagram of an interphone call test system according to a second embodiment.

FIG. 5 is a flowchart showing an operation of the interphone call test system according to the second embodiment.

FIG. 6 is a flowchart showing an operation of the interphone call test system according to the third embodiment.

FIG. 7 is a configuration diagram of an interphone call test system according to a fourth embodiment.

FIG. 8 is a flowchart showing an operation of the interphone call test system according to the fourth embodiment.

FIG. 9 is a configuration diagram of an interphone call test system according to a fifth embodiment.

FIG. 10 is a flowchart showing an operation of the interphone call test system according to the fifth embodiment.

FIG. 11 is a view showing a conventional elevator intercom test apparatus.

FIG. 12 is a mounting view of a conventional elevator intercom test apparatus.

[Explanation of symbols]

20 baskets, 21 call test equipment, 22 slaves, 23
Master unit, 221 slave unit speaker, 222 slave unit microphone, 223 slave unit transmitter, 224 slave unit receiver,
225 cordless handset confirmation lamp, 226 cordless handset start button, 231 cordless handset speaker, 232 cordless handset microphone, 233 cordless handset transmitter, 234 cordless handset receiver, 2
35 Base unit confirmation lamp, 236 Base unit start button,
237 Handset hook switch, 42 telephone line, 43
Input / output device, 44 monitoring device.

Claims (6)

[Claims] 1. An interphone call test system for confirming whether there is a call failure between a base unit and a handset of an intercom, wherein a high-frequency signal higher than a voice frequency band is provided to the base unit and the handset unit by a microphone. And a receiver for receiving the high frequency signal via a speaker, respectively, and between the master unit and the slave unit, the audio frequency band is masked to output the high frequency signal. A call test device for performing a call test using the device is provided, and output means for outputting whether there is a communication failure between the parent device and the child device based on a test result of the call test device is provided. Call test system to do. 2. A timer starting means for outputting a start signal at a preset time is provided, and the call test device starts the call test based on the start signal. Call test system described. 3. The call test system according to claim 2, wherein the timer activation means outputs the activation signal at regular time intervals. 4. The call test system according to claim 2, wherein the timer starting means is provided in the call test device. 5. A monitoring device for connecting to the call test device via a communication line is provided at a position different from the position where the call test device is provided, and the monitor device is configured to perform the operation based on the output of the call test device. 4. The call test system according to claim 1, wherein whether or not there is a call failure between the master unit and the slave unit is output. 6. The call test system according to claim 5, wherein the timer starting means is provided in the monitoring device.